Well, this fine short title says it all. ;)
I thought that it might be helpful for some if there would be a list of "fansites", especially for those whose mother language isn't english. I don't intend to advertise, if this isn't welcome feel free to delete it.
So back to the topic, the place where I and several other germans came into contact with this game is the forum Strategycon Interactive.
Hegemony had a slow start, but since the release (and sale at Impulse) it really did well and is the current hot topic among the games. :)